John Casper, M.D.
John Casper, M.D. is an addiction medicine (internal medicine) physician practicing in Hayden, ID. The NPI was issued on August 30, 2006, and the record was last updated in NPPES on December 8, 2025. The record lists 2 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Addiction Medicine (Internal Medicine) Physician Primary | 207RA0401X | M4860 (ID) |
| Internal Medicine Physician | 207R00000X | M4860 (ID) |
Practice location
Local context
Active NPPES records list 1 provider with addiction medicine (internal medicine) physician as the primary taxonomy within 25 miles of this practice location's ZIP code.
The same primary taxonomy is listed by 3 in Idaho and 1,060 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. John B Casper
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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